c# - RFID tag, Android Format -

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I am writing C # applications for reading / writing RFID tags that are formatted by Android Episode (NXP). I found the basic key (AA AA AA2A3A4A5 and D3F7D3F7D3F7) and I can read all the data from the tag, but the problem is that I have something about it

The other strange thing is that the key block looks like this [00 00 00 00 00 00 78 77 88C 00 00 00 00] and this block key [A0 A1 A2 A3 A4 A5]

My question is authenticated is the permission to write area?

Let me understand this problem - you have Android with NDEF / RTD information (URI or other) NFC By using the phone, do some NFC tags (which are one-Megafire Ultralight, Topaz or others?) Now you have a USB NFC Reader (which is a?) Connected to a desktop PC and you are trying to read the data from the tag ? Is it true?

Please confirm and enter the information there.

BR STeN

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